Washington County is named for George Washington, who was the first President of the United States from 1789 to 1797.

Created: July 16, 1907

County Seat:

Bartlesville 1907 – present

County Courthouse – Bartlesville

Location: 420 Johnstone Avenue / East 5th Street

Built: 1931 – 1932

Style: Federal

Architect: James A Wetmore

Contractor: Unknown

Description: The building faces west and is a three story red colored brick and concrete structure. The first story has arched windows and entrances. There is stone trim along the corners. The hipped roof is red colored tiles. The building was erected as the United States District Courthouse for the Northern District of the State of Oklahoma.

Old County Courthouse – Bartlesville

Location: 400 Frank Phillips Boulevard / Delaware Avenue

Built: 1913 – 1914

Style: Neo-Classical

Architect: Patrick Henry Weathers of Jackson, Mississippi

Contractor: Inland Construction Company

Description: The building faces west and is a three story colored buff brick and structure. The west front has a large arch rising above the roof line. The entrance is recessed. A wide cornice runs below the third story. The east end of the building is curved. The roof line is flat.